---
title: Amazon Trailer Inspector
emoji: 🚛
colorFrom: blue
colorTo: indigo
sdk: gradio
sdk_version: "5.29.0"
app_file: app.py
pinned: false
license: mit
---

# 🚛 Amazon Trailer Inspector

AI-powered pipeline that verifies **4 required components** in Amazon trailer photos using free vision LLMs.

## Detected components

| Component | Description |
|-----------|-------------|
| 🔷 **Sensors** | Two diamond-shaped metal plates near rear doors |
| 📡 **GPS Device** | White rectangular box at the upper corner |
| 🔶 **Prime Logo** | Amazon Prime logo / arrow swoosh |
| 🏷️ **Trailer ID Label** | Vertical green ID strip on the corner post |

## How to use

1. Upload one or more photos of the same trailer
2. Click **Analyze Trailer**
3. See ✅ Found / ❌ Missing for each component

## Setup (required)

Space Settings → **Repository Secrets** → add `HF_TOKEN`
(free Read token from [huggingface.co/settings/tokens](https://huggingface.co/settings/tokens))

## Models used (free tier, tried in order)

1. `meta-llama/Llama-3.2-11B-Vision-Instruct` — primary
2. `Qwen/Qwen2.5-VL-7B-Instruct` — fallback 1
3. `google/gemma-3-4b-it` — fallback 2